package contest1609;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.PrintWriter;
import java.util.PriorityQueue;
import java.util.Queue;
import java.util.Scanner;

public class N {
    static Scanner cin = new Scanner(new BufferedInputStream(System.in));//大量输入优化版本
    static PrintWriter cout = new PrintWriter(new BufferedOutputStream(System.out));//大量输出优化版本
    static PrintWriter cerr = new PrintWriter(System.err, true);//开启调试模式,一般输出量不大，不需要buffered

    public static void main(String[] args) {
        //TODO AOJ开启你的ACM传奇人生
        cerr.println("----Start your ACM legendary life with AOJ(www.webturing.com)----");
        int n = cin.nextInt();
        long[] a = new long[n];
        for (int i = 0; i < n; i++) {
            a[i] = cin.nextLong();
        }

        Queue<Long> Q = new PriorityQueue<Long>();
        for (long i : a) {
            Q.offer(i);
        }
        long tot = 0;
        while (Q.size() >= 2) {
            Long x = Q.peek();
            Q.poll();
            Long y = Q.peek();
            Q.poll();
            Q.offer(x + y);
            tot += x + y;
        }
        cout.println(tot);


        cin.close();//关闭输入流
        cout.close();//关闭输出流，这是必须的，否则一般不会自动刷新缓冲区
    }
}
